Find the exact value of the expression if ? = 60°. Do not use a calculator.f(?) = sin ?Find 
.
A. 
B. 
C. 
D. 16
Answer: C
Mathematics
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Solve the problem.Brand X copier advertises that its copiers run 23% longer between service calls than its competitor. If Brand X copiers run 59,800 copies between services, how many copies would the competitor run?
A. 48,618 copies B. 73,554 copies C. 33,785 copies D. 46,046 copies
Mathematics
Solve the equation or inequality.-3 < 2(x - 2) ? 2
A. 
B. 
? 
C. 
D. 
Mathematics
L is directionally proportional to the cube of x, and l = 2,500 when x=5. Find the function L.
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Mathematics
Write the number in scientific notation.0.000198
A. 1.98 × 10-3 B. 1.98 × 10-5 C. 1.98 × 104 D. 1.98 × 10-4
Mathematics